Device for connecting a dentistry handpiece or contra-angle on a

Details Device for connecting a dentistry handpiece or contra-angle on a Device for connecting a dentistry handpiece or contra-angle on a

1990-11-20

1993-05-04

Mancene, Gene

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433 29, A61C 108

Patent

active

052075753

ABSTRACT:
A support for a dentistry handpiece or contra-angle is connected to a dental unit, such as a motor, including apparatus for the supply of water and air for spraying the working point of the supported handpiece of contra-angle and, if desired, apparatus for supplying electric current to bulbs situated in the head of the handpiece or contra-angle for lighting in the working point and/or fibre optics. The rear face of the support is provided with a projecting ring of insulating material and the motor includes an annular hollow form for receiving the ring when the support is mounted to the motor.

REFERENCES:
patent: 4182038 (1980-01-01), Fleer
patent: 4217101 (1980-08-01), Loge
patent: 4278429 (1981-07-01), Straihammer et al.
patent: 4403959 (1983-09-01), Hatakeyama
patent: 4507085 (1985-03-01), Mosimann et al.
patent: 4568284 (1986-02-01), Stankiewicz
patent: 4661060 (1987-04-01), Strohmaier
patent: 4669982 (1987-06-01), Fleer
patent: 4720266 (1988-01-01), Leonard et al.
patent: 5074785 (1991-12-01), Malata, Jr.

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